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mod_turncredentials/mod_turncredentials.lua @ 4565:3b2ae854842c
mod_muc_bot: Save occupant to room
This has some side-effects:
Firstly, the bot shows up in occupant list, which is nice. Secondly, the
bot starts receiving messages from the room which might be wanted, but
it would be better to join the room for real in this case.
author | Kim Alvefur <zash@zash.se> |
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date | Sat, 10 Apr 2021 19:23:25 +0200 |
parent | 3977:bbfcd786cc78 |
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-- XEP-0215 implementation for time-limited turn credentials -- Copyright (C) 2012-2013 Philipp Hancke -- This file is MIT/X11 licensed. local st = require "util.stanza"; local hmac_sha1 = require "util.hashes".hmac_sha1; local base64 = require "util.encodings".base64; local os_time = os.time; local datetime = require "util.datetime".datetime; local secret = module:get_option_string("turncredentials_secret"); local host = module:get_option_string("turncredentials_host"); -- use ip addresses here to avoid further dns lookup latency local port = module:get_option_number("turncredentials_port", 3478); local ttl = module:get_option_number("turncredentials_ttl", 86400); if not (secret and host) then module:log("error", "turncredentials not configured"); return; end module:add_feature("urn:xmpp:extdisco:1"); module:hook("iq-get/host/urn:xmpp:extdisco:1:services", function(event) local origin, stanza = event.origin, event.stanza; if origin.type ~= "c2s" then return; end local expires_at = os_time() + ttl; local userpart = tostring(expires_at); local nonce = base64.encode(hmac_sha1(secret, tostring(userpart), false)); origin.send(st.reply(stanza):tag("services", {xmlns = "urn:xmpp:extdisco:1"}) :tag("service", { type = "stun", host = host, port = ("%d"):format(port) }):up() :tag("service", { type = "turn", host = host, port = ("%d"):format(port), username = userpart, password = nonce, ttl = ("%d"):format(ttl) }):up() ); return true; end); module:add_feature("urn:xmpp:extdisco:2"); module:hook("iq-get/host/urn:xmpp:extdisco:2:services", function(event) local origin, stanza = event.origin, event.stanza; if origin.type ~= "c2s" then return; end local expires_at = os_time() + ttl; local userpart = tostring(expires_at); local nonce = base64.encode(hmac_sha1(secret, tostring(userpart), false)); origin.send(st.reply(stanza):tag("services", {xmlns = "urn:xmpp:extdisco:2"}) :tag("service", { type = "stun", transport = "udp", host = host, port = ("%d"):format(port) }):up() :tag("service", { type = "stun", transport = "tcp", host = host, port = ("%d"):format(port) }):up() :tag("service", { type = "turn", transport = "udp", host = host, port = ("%d"):format(port), username = userpart, password = nonce, expires = datetime(expires_at), restricted = "1" }):up() :tag("service", { type = "turn", transport = "tcp", host = host, port = ("%d"):format(port), username = userpart, password = nonce, expires = datetime(expires_at), restricted = "1" }):up() ); return true; end);